name: Deploy documentation to GitHub pages
on:
  push:
    branches: [ master ]
jobs:
  build:
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v2

    - name: Generate static vuepress files
      uses: actions/setup-node@v1
      with:
        node-version: '12.x'
    - run: npm ci
    - run: npm run docs:build

    - name: Init new repo in dist folder and commit generated files
      run: |
        cd docs/.vuepress/dist
        git init
        git add -A
        git config --local user.email "action@github.com"
        git config --local user.name "GitHub Action"
        git commit -m 'deploy'

    - name: Force push to gh-pages branch
      uses: ad-m/github-push-action@v0.5.0
      with:
        github_token: ${{ secrets.GITHUB_TOKEN }}
        branch: gh-pages
        force: true
        directory: ./docs/.vuepress/dist